This Area of Triangles Mystery Pixel Art activity is an engaging, self-checking way for students to practice finding the area of triangles when given the base and height. This activity has 10 problems that are self-grading. When students solve a problem, they type their answer into a square and if they are correct, a part of the mystery picture is revealed. If they are incorrect, the square turns red.About This Product:-Google Sheets activity-10 problemsWhole numbersStudents are given the base